Warning: Permanently added '10.128.10.3' (ED25519) to the list of known hosts. 2022/08/07 16:13:08 ignoring optional flag "sandboxArg"="0" 2022/08/07 16:13:08 parsed 1 programs 2022/08/07 16:13:13 executed programs: 0 panic: pool_do_get: semapl free list modified: page 0xfffffd806c3f4000; item addr 0xfffffd806c3f4e70; offset 0x10=0xdeadbe00 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 60769 38124 0 0 0 1 syz-executor.0 *360156 38124 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x18 panic(ffffffff82603660) at panic+0x177 pool_do_get(ffffffff82baa760,9,ffff800021334d98) at pool_do_get+0x474 pool_get(ffffffff82baa760,9) at pool_get+0xe9 sys_semget(ffff8000ffff5ce8,ffff800021334e98,ffff800021334ee0) at sys_semget+0x259 syscall(ffff800021334f60) at syscall+0x435 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x28ad111e4a0, count: 8 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: pool_do_get: semapl free list modified: page 0xfffffd806c3f4000; item addr 0xfffffd806c3f4e70; offset 0x10=0xdeadbe00 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82603660) at panic+0x177 pool_do_get(ffffffff82baa760,9,ffff800021334d98) at pool_do_get+0x474 pool_get(ffffffff82baa760,9) at pool_get+0xe9 sys_semget(ffff8000ffff5ce8,ffff800021334e98,ffff800021334ee0) at sys_semget+0x259 syscall(ffff800021334f60) at syscall+0x435 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x28ad111e4a0, count: -7 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021334be0 rbx 0xffffffff8293fb97 cpu_info_full_primary+0x2b97 rdx 0x3fd rcx 0 rax 0x7d r8 0x101010101010101 r9 0x8080808080808080 r10 0x9313154e0515d846 r11 0x703c185d3716c8a6 r12 0xffffffff8293f998 cpu_info_full_primary+0x2998 r13 0 r14 0 r15 0x1 rip 0xffffffff813ddc48 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021334bd0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=360156 stat=onproc flags process=0 proc=4000000 pri=51, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5268,0xffffffff82a89e48 process=0xffff8000ffff94d0 user=0xffff800021330000, vmspace=0xfffffd807effdb80 estcpu=2, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 38124 60769 56728 0 7 0 syz-executor.0 38124 52688 56728 0 3 0x4000080 fsleep syz-executor.0 38124 115793 56728 0 3 0x4000080 fsleep syz-executor.0 *38124 360156 56728 0 7 0x4000000 syz-executor.0 56728 185281 29331 0 2 0x482 syz-executor.0 29331 511711 64442 0 3 0x82 thrsleep syz-execprog 29331 82263 64442 0 2 0x4000482 syz-execprog 29331 168220 64442 0 3 0x4000082 wait syz-execprog 29331 337049 64442 0 3 0x4000082 thrsleep syz-execprog 29331 474002 64442 0 3 0x4000082 thrsleep syz-execprog 29331 457356 64442 0 3 0x4000082 kqread syz-execprog 29331 57617 64442 0 3 0x4000082 thrsleep syz-execprog 29331 505831 64442 0 3 0x4000082 thrsleep syz-execprog 64442 500785 77941 0 3 0x10008a sigsusp ksh 77941 313837 80763 0 3 0x9a kqread sshd 4420 134126 1 0 3 0x100083 ttyin getty 80763 487793 1 0 3 0x88 kqread sshd 14836 482752 42051 74 3 0x1100092 bpf pflogd 42051 232377 1 0 3 0x80 netio pflogd 75953 449363 28263 73 3 0x1100090 kqread syslogd 28263 498598 1 0 3 0x100082 netio syslogd 21329 188372 1 0 3 0x100080 kqread resolvd 62290 291731 39804 77 3 0x100092 kqread dhcpleased 93502 490010 39804 77 3 0x100092 kqread dhcpleased 39804 315732 1 0 3 0x80 kqread dhcpleased 63938 252119 0 0 3 0x14200 bored smr 3084 343655 0 0 2 0x14200 zerothread 27463 291160 0 0 3 0x14200 aiodoned aiodoned 64156 168982 0 0 3 0x14200 syncer update 64821 390795 0 0 3 0x14200 cleaner cleaner 28259 257467 0 0 3 0x14200 reaper reaper 21534 43684 0 0 3 0x14200 pgdaemon pagedaemon 61744 101659 0 0 3 0x14200 bored viomb 76738 375638 0 0 3 0x40014200 acpi0 acpi0 31066 413910 0 0 3 0x40014200 idle1 79734 193750 0 0 3 0x14200 bored softnet 67802 221673 0 0 3 0x14200 bored softnet 44810 138756 0 0 3 0x14200 bored softnet 56165 323651 0 0 3 0x14200 bored softnet 41406 51730 0 0 3 0x14200 bored systqmp 2327 177872 0 0 3 0x14200 bored systq 27186 36803 0 0 2 0x40014200 softclock 58881 499516 0 0 3 0x40014200 idle0 1 33260 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex semapl r = 0 (0xffffffff82baa770) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b #3 pool_get+0xbd #4 sys_semget+0x259 #5 syscall+0x435 #6 Xsyscall+0x128 Process 38124 (syz-executor.0) thread 0xffff8000ffff5ce8 (360156) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82ab97c8) #0 witness_lock+0x44d #1 syscall+0x41d #2 Xsyscall+0x128 exclusive mutex semapl r = 0 (0xffffffff82baa770) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b #3 pool_get+0xbd #4 sys_semget+0x259 #5 syscall+0x435 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10158 6457K 6457K 78643K 11248 0 pcb 13 8K 8K 78643K 13 0 rtable 80 2K 2K 78643K 145 0 ifaddr 38 9K 9K 78643K 41 0 counters 42 33K 33K 78643K 42 0 ioctlops 0 0K 4K 78643K 1480 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1167 73K 73K 78643K 1180 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 9 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 4 9K 13K 78643K 24 0 proc 67 91K 103K 78643K 310 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 500 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 62K 78643K 8 0 UVM amap 101 13K 13K 78643K 1819 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 7 0 temp 28 4709K 4773K 78643K 2899 0 kqueue 12 18K 18K 78643K 25 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 23 0 20 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 144 35 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 4 0 0 1 0 1 1 0 8 0 inpcb 320 36 0 30 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 11 0 2 1 0 1 1 0 8 0 pfstkey 120 11 0 2 1 0 1 1 0 8 0 pfstate 336 11 0 2 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 145 0 0 10 0 10 10 0 8 0 art_table 32 146 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 semapl 112 7 0 7 1 0 1 1 0 8 1 semapl: pool(0xffffffff82baa760:semapl): page inconsistency: page 0xfffffd806c3f4000; item ordinal 0; addr 0xb1ab9ce6bb5e841f dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1453 0 51 88 0 88 88 0 8 0 ffsino 272 1453 0 51 94 0 94 94 0 8 0 nchpl 144 1695 0 63 61 0 61 61 0 8 0 uvmvnodes 80 1463 0 0 30 0 30 30 0 8 0 vnodes 216 1463 0 0 82 0 82 82 0 8 0 namei 1024 5175 0 5175 3 1 2 2 0 8 2 percpumem 16 33 0 0 1 0 1 1 0 8 0 kstatmem 264 10 0 0 1 0 1 1 0 8 0 scxspl 216 5371 0 5371 10 2 8 8 0 8 8 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 424 363 0 329 6 1 5 5 0 8 1 futexpl 64 21 0 19 1 0 1 1 0 8 0 knotepl 120 70 0 0 3 0 3 3 0 8 0 kqueuepl 216 21 0 13 1 0 1 1 0 8 0 pipepl 320 110 0 103 2 1 1 1 0 8 0 fdescpl 496 346 0 329 4 0 4 4 0 8 1 filepl 152 1412 0 1342 4 0 4 4 0 8 1 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 104 69 0 57 1 0 1 1 0 8 0 zombiepl 144 329 0 329 2 1 1 1 0 8 1 processpl 1064 363 0 329 3 0 3 3 0 8 0 procpl 672 379 0 335 6 1 5 5 0 8 1 sockpl 488 94 0 70 5 1 4 4 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 66 0 0 9 0 9 9 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 131 0 0 8 0 8 8 0 8 0 bufpl 288 3522 0 136 242 0 242 242 0 8 0 anonpl 24 45239 0 41886 44 4 40 40 0 186 18 amapchunkpl 152 3550 0 3295 17 2 15 15 0 158 5 amappl16 200 127 0 72 5 1 4 4 0 8 0 amappl15 192 90 0 83 1 0 1 1 0 8 0 amappl14 184 23 0 17 1 0 1 1 0 8 0 amappl13 176 40 0 39 2 1 1 1 0 8 0 amappl12 168 2 0 2 1 1 0 1 0 8 0 amappl11 160 81 0 63 1 0 1 1 0 8 0 amappl10 152 20 0 17 1 0 1 1 0 8 0 amappl9 144 451 0 448 1 0 1 1 0 8 0 amappl8 136 433 0 419 2 1 1 1 0 8 0 amappl7 128 98 0 85 1 0 1 1 0 8 0 amappl6 120 143 0 134 2 0 2 2 0 8 1 amappl5 112 98 0 86 1 0 1 1 0 8 0 amappl4 104 727 0 699 2 0 2 2 0 8 1 amappl3 96 513 0 480 2 0 2 2 0 8 1 amappl2 88 408 0 374 2 0 2 2 0 8 0 amappl1 80 10960 0 10474 22 2 20 20 0 8 10 amappl 88 1471 0 1403 4 1 3 3 0 92 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 346 0 329 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 346 0 329 1 0 1 1 0 8 0 vmmpekpl 168 8156 0 8133 2 0 2 2 0 8 0 vmmpepl 168 33216 0 32022 97 5 92 92 0 357 40 vmsppl 368 345 0 329 3 0 3 3 0 8 1 rwobjpl 56 11362 0 9144 42 1 41 41 0 8 6 pdppl 4096 699 0 658 85 36 49 57 0 8 8 pvpl 32 206700 0 200284 247 6 241 241 0 265 188 pmappl 248 345 0 329 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 555 0 40 15 0 15 15 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82603660) at panic+0x177 pool_do_get(ffffffff82baa760,9,ffff800021334d98) at pool_do_get+0x474 pool_get(ffffffff82baa760,9) at pool_get+0xe9 sys_semget(ffff8000ffff5ce8,ffff800021334e98,ffff800021334ee0) at sys_semget+0x259 syscall(ffff800021334f60) at syscall+0x435 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x28ad111e4a0, count: -7 ddb{0}> machine ddbcpu 1